Answer:
<h2>12.56 m</h2>
Step-by-step explanation:
The formula of a circumference of a circle:

<em>d</em> - <em>diameter</em>
<em />
We have <em>d = 4m</em>.
Substitute:

Use 3.14 for π:

Solve for x and you’ll get x=-1
Answer:
-27,-32,-37,-42,-47
Step-by-step explanation:
Answer:
The first three are functions
Step-by-step explanation:
4th one fails the Vertical line test.